SB20260912197 - Integer overflow in Linux kernel accel rocket driver
Published: September 12, 2026
Security Bulletin ID
SB20260912197
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Integer overflow (CVE-ID: CVE-2026-89592)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause out-of-bounds accesses.
The vulnerability exists due to an integer overflow in rocket_job_push() when summing user-supplied input and output GEM object handle counts. A local user can submit a job with handle counts whose sum wraps around to cause out-of-bounds accesses.
Remediation
Install update from vendor's website.